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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <script>
        class Animal{
            constructor(){
                this.name ="Alice"
            }

            eat(){
                "use strict";
                console.log(this.name);
            }
        }

         let animal = new Animal();
         let a = animal.eat;
         a();








    </script>
</body>
</html>